Key References: Su, Ryu

2 Key References are: Su, D.K.S.. (2006). Usability guidelines for designing mobile learning portals. Mobile '06: Proceedings of the 3rd International Conference on Mobile Technology, Application & Systems, Oct. 25–27, 2006, Bangkok, Thailand. Ryu, Y.S. (2005). Development of Usability Questionnaires for Electronic Mobile Products and Decision Making Methods. Virginia Polytechnic Institute and State University, Blacksburg, Virginia, July 2005. [PhD dissertation] The above 2 are important benchmarks for my Study. Validity & Reliability reference: Ryu, Y.S. and Smith-Jackson, T. (2006). Reliability and Validity of the Mobile Phone Usability Questionnaire (MPUQ). Journal of usability studies, 2006.